r/castiron peaks Tuesdays 6pm-8pm UTC
r/castiron was created on December 28, 2010, making it 15 years and 2 months old and one of the earliest subreddits on Reddit. With 715,558 members, this is a mid-size community that has built a substantial following and typically sees consistent daily activity.
r/castiron is steadily growing, with 5,967 new members in the last 30 days.
r/castiron shows moderate engagement relative to its size, with an average of 289.6 upvotes per post across its 715,558 members. The community is moderately discussion-oriented, with a comment-to-upvote ratio of 0.26. To reach the Hot section of r/castiron, posts typically need at least 37 upvotes, reflecting the community's activity level.
Posts on r/castiron receive an average of 74.5 comments, indicating a community with a healthy balance between content appreciation and active discussion. Members regularly engage with posts through both upvotes and comments.
Based on an analysis of 100 top posts from the past week, Tuesday is the most active day with 19 posts reaching the top, while Thursday sees the least activity with 9 posts. Activity is fairly evenly distributed between weekdays and weekends.
The peak posting hours are around 6pm UTC (12 posts), 12am UTC (9 posts), and 10pm UTC (8 posts). The quietest hours are 3am UTC, 8pm UTC, and 8am UTC, with only 1-1 posts each reaching the top during these times.
Weekly breakdown: Monday (14), Tuesday (19), Wednesday (14), Thursday (9), Friday (14), Saturday (13), Sunday (17) posts reaching the top.
r/castiron currently has 715,558 subscribers. Over the past 30 days, the community has grown by 5,967 members (0.84%), averaging 186 new subscribers per day. This growth rate places r/castiron in the top 5% of all tracked subreddits.
Over the past 90 days, r/castiron has gained 24,906 subscribers (3.61%). Since tracking began 583 days ago, the community has added 110,452 total subscribers. Growth has been accelerating recently compared to the longer-term trend.
r/castiron is steadily growing, with 5,967 new members in the last 30 days.
r/castiron has 715,558 subscribers as of March 2026.
The best time to post on r/castiron is Tuesdays 6pm-8pm UTC, based on analysis of top-performing posts from the past week.
r/castiron is steadily growing, with 5,967 new members in the last 30 days.
r/castiron was created on December 28, 2010, making it 15 years old.
Posts on r/castiron typically need at least 37 upvotes to reach the Hot section.
r/castiron is a Reddit community with 715,558 subscribers. The best time to post on r/castiron is Tuesdays 6pm-8pm UTC. Posts receive an average of 289.6 upvotes and 74.5 comments. The minimum upvotes needed to reach the Hot section is approximately 37. The subreddit is adding approximately 186 new members each day. Founded 15 years ago, r/castiron is tracked and analyzed by RedditList as part of its comprehensive database of over 106,347 subreddits.
Last updated: 2026-03-15 03:45:58